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PostgreSQL 9 Administration Cookbook by Hannu Krosing, Simon Riggs

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Stopping the server safely and quickly

Let's do it!

How to do it...

You can issue a database server stop using fast mode as follows:

pg_ctl -D datadir -m fast stop

You must use -m fast if you wish to shut down as soon as possible. Normal shutdown means "wait for all users to finish before we exit". That can take a very long time, though all the while new connections are refused.

On other systems, this command might be as follows:

DEBIAN/UBUNTU pg_ctlcluster 9.0 main stop --force

How it works...

When you do a fast stop, all users have their transactions aborted and all connections are disconnected. It's not very polite to users, but it still treats the server and its data with care, which is good.

PostgreSQL is similar to other database systems, in that ...

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